Casting Time 1 standard action
Range medium (100 ft. + 10 ft./level)
By the way…
The effects created by this spell do not move with a ship, but they do reduce the speed of a ship moving through them to half.
Acid fog creates a billowing mass of misty vapors like the solid fog spell. In addition to slowing down creatures and obscuring sight, this spell’s vapors are highly acidic. Each round on your turn, starting when you cast the spell, the fog deals 2d6 points of acid damage to each creature and object within it.